| Acronym | Meaning |
| CALABARZON | A Region In The Philippines: CAvite |
| TSEC | Transmission Security Encryption Code |
| AY | Aymara Language (ISO 639-1 Code) |
| IRST | Infra-red Search And Track |
| SCUBA | Self Contained Underwater Breathing Apparatus |
| MOTA | Member Of The Orthodontic Technicians Association |
| INA | Interlingua Language (ISO 639-2 Code) |
| CFLCC | Coalition Forces Land Component Command |
| HLL | High-Level Language |
| ETM | Enhanced Thematic Mapper |